> From: Saašha Metsärantala


> > http://www.loc.gov/standards/mods/changes-3-5.html

> Thanks for this link. There, one can read that


> "RFC5646 has superceded RFC4646"


> The e-mail refers to rfc5656 and RFC5656, though.



RFC 5646  http://tools.ietf.org/html/rfc5646 supercedes RFC 4646

as reflected in both http://www.loc.gov/standards/mods/changes-3-5.html and the draft 3.5 schema.  (The email announcing the draft may have had a typo.)